Java tutorial
/* * Everychan Android (Meta Imageboard Client) * Copyright (C) 2014-2016 miku-nyan <https://github.com/miku-nyan> * * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program. If not, see <http://www.gnu.org/licenses/>. */ package com.nttec.everychan.chans.sevenchan; import java.io.InputStream; import java.util.regex.Pattern; import com.nttec.everychan.R; import com.nttec.everychan.api.AbstractKusabaModule; import com.nttec.everychan.api.interfaces.CancellableTask; import com.nttec.everychan.api.interfaces.ProgressListener; import com.nttec.everychan.api.models.BoardModel; import com.nttec.everychan.api.models.CaptchaModel; import com.nttec.everychan.api.models.PostModel; import com.nttec.everychan.api.models.SendPostModel; import com.nttec.everychan.api.models.SimpleBoardModel; import com.nttec.everychan.api.models.ThreadModel; import com.nttec.everychan.api.models.UrlPageModel; import com.nttec.everychan.api.util.ChanModels; import com.nttec.everychan.api.util.RegexUtils; import com.nttec.everychan.api.util.WakabaReader; import com.nttec.everychan.http.ExtendedMultipartBuilder; import com.nttec.everychan.http.recaptcha.Recaptcha; import android.content.SharedPreferences; import android.content.res.Resources; import android.graphics.drawable.Drawable; import android.preference.PreferenceGroup; import android.support.v4.content.res.ResourcesCompat; public class SevenchanModule extends AbstractKusabaModule { private static final String CHAN_NAME = "7chan.org"; private static final String RECAPTCHA_KEY = "6LdVg8YSAAAAAOhqx0eFT1Pi49fOavnYgy7e-lTO"; static final String TIMEZONE = "GMT+4"; // ? private static final Pattern THREAD_REFERENCE_ALT = Pattern .compile("read.php\\?b=([^&]+)&t=(\\d+)(?:&p=)?(\\d*).*"); private static final SimpleBoardModel[] BOARDS = new SimpleBoardModel[] { ChanModels.obtainSimpleBoardModel(CHAN_NAME, "7ch", "Site Discussion", "7chan & Related Services", false), ChanModels.obtainSimpleBoardModel(CHAN_NAME, "ch7", "Channel7 & Radio7", "7chan & Related Services", true), ChanModels.obtainSimpleBoardModel(CHAN_NAME, "irc", "Internet Relay Circlejerk", "7chan & Related Services", true), ChanModels.obtainSimpleBoardModel(CHAN_NAME, "777", "/selfhelp/", "Premium Content", true), ChanModels.obtainSimpleBoardModel(CHAN_NAME, "b", "Random", "Premium Content", true), ChanModels.obtainSimpleBoardModel(CHAN_NAME, "banner", "Banners", "Premium Content", true), ChanModels.obtainSimpleBoardModel(CHAN_NAME, "fl", "Flash", "Premium Content", true), ChanModels.obtainSimpleBoardModel(CHAN_NAME, "gfx", "Graphics Manipulation", "Premium Content", true), ChanModels.obtainSimpleBoardModel(CHAN_NAME, "class", "The Finer Things", "SFW", false), ChanModels.obtainSimpleBoardModel(CHAN_NAME, "co", "Comics and Cartoons", "SFW", false), ChanModels.obtainSimpleBoardModel(CHAN_NAME, "eh", "Particularly uninteresting conversation", "SFW", false), ChanModels.obtainSimpleBoardModel(CHAN_NAME, "fit", "Fitness & Health", "SFW", false), ChanModels.obtainSimpleBoardModel(CHAN_NAME, "halp", "Technical Support", "SFW", false), ChanModels.obtainSimpleBoardModel(CHAN_NAME, "jew", "Thrifty Living", "SFW", false), ChanModels.obtainSimpleBoardModel(CHAN_NAME, "lit", "Literature", "SFW", false), ChanModels.obtainSimpleBoardModel(CHAN_NAME, "phi", "Philosophy", "SFW", false), ChanModels.obtainSimpleBoardModel(CHAN_NAME, "pr", "Programming", "SFW", false), ChanModels.obtainSimpleBoardModel(CHAN_NAME, "rnb", "Rage and Baww", "SFW", false), ChanModels.obtainSimpleBoardModel(CHAN_NAME, "sci", "Science, Technology, Engineering, and Mathematics", "SFW", false), ChanModels.obtainSimpleBoardModel(CHAN_NAME, "tg", "Tabletop Games", "SFW", false), ChanModels.obtainSimpleBoardModel(CHAN_NAME, "w", "Weapons", "SFW", false), ChanModels.obtainSimpleBoardModel(CHAN_NAME, "zom", "Zombies", "SFW", false), ChanModels.obtainSimpleBoardModel(CHAN_NAME, "a", "Anime & Manga", "General", true), ChanModels.obtainSimpleBoardModel(CHAN_NAME, "grim", "Cold, Grim & Miserable", "General", true), ChanModels.obtainSimpleBoardModel(CHAN_NAME, "hi", "History and Culture", "General", true), ChanModels.obtainSimpleBoardModel(CHAN_NAME, "me", "Film, Music & Television", "General", true), ChanModels.obtainSimpleBoardModel(CHAN_NAME, "rx", "Drugs", "General", true), ChanModels.obtainSimpleBoardModel(CHAN_NAME, "vg", "", "General", true), ChanModels.obtainSimpleBoardModel(CHAN_NAME, "wp", "Wallpapers", "General", true), ChanModels.obtainSimpleBoardModel(CHAN_NAME, "x", "Paranormal & Conspiracy", "General", true), ChanModels.obtainSimpleBoardModel(CHAN_NAME, "cake", "Delicious", "Porn", true), ChanModels.obtainSimpleBoardModel(CHAN_NAME, "cd", "Crossdressing", "Porn", true), ChanModels.obtainSimpleBoardModel(CHAN_NAME, "d", "Alternative Hentai", "Porn", true), ChanModels.obtainSimpleBoardModel(CHAN_NAME, "di", "Sexy Beautiful Traps", "Porn", true), ChanModels.obtainSimpleBoardModel(CHAN_NAME, "elit", "Erotic Literature", "Porn", true), ChanModels.obtainSimpleBoardModel(CHAN_NAME, "fag", "Men Discussion", "Porn", true), ChanModels.obtainSimpleBoardModel(CHAN_NAME, "fur", "Furry", "Porn", true), ChanModels.obtainSimpleBoardModel(CHAN_NAME, "gif", "Animated GIFs", "Porn", true), ChanModels.obtainSimpleBoardModel(CHAN_NAME, "h", "Hentai", "Porn", true), ChanModels.obtainSimpleBoardModel(CHAN_NAME, "men", "Sexy Beautiful Men", "Porn", true), ChanModels.obtainSimpleBoardModel(CHAN_NAME, "pco", "Porn Comics", "Porn", true), ChanModels.obtainSimpleBoardModel(CHAN_NAME, "s", "Sexy Beautiful Women", "Porn", true), ChanModels.obtainSimpleBoardModel(CHAN_NAME, "sm", "Shotacon", "Porn", true), ChanModels.obtainSimpleBoardModel(CHAN_NAME, "ss", "Straight Shotacon", "Porn", true), ChanModels.obtainSimpleBoardModel(CHAN_NAME, "unf", "Uniforms", "Porn", true), ChanModels.obtainSimpleBoardModel(CHAN_NAME, "v", "The Vineyard", "Porn", true) }; private Recaptcha lastCaptcha = null; public SevenchanModule(SharedPreferences preferences, Resources resources) { super(preferences, resources); } @Override public String getChanName() { return CHAN_NAME; } @Override public String getDisplayingName() { return "7chan"; } @Override public Drawable getChanFavicon() { return ResourcesCompat.getDrawable(resources, R.drawable.favicon_7chan, null); } @Override protected String getUsingDomain() { return "7chan.org"; } @Override protected boolean canHttps() { return true; } @Override protected boolean canCloudflare() { return true; } private boolean loadOnlyNewPosts() { return loadOnlyNewPosts(true); } @Override public void addPreferencesOnScreen(PreferenceGroup preferenceGroup) { addOnlyNewPostsPreference(preferenceGroup, true); super.addPreferencesOnScreen(preferenceGroup); } @Override protected WakabaReader getKusabaReader(InputStream stream, UrlPageModel urlModel) { return new SevenchanReader(stream); } @Override protected SimpleBoardModel[] getBoardsList() { return BOARDS; } @Override public BoardModel getBoard(String shortName, ProgressListener listener, CancellableTask task) throws Exception { BoardModel board = super.getBoard(shortName, listener, task); board.timeZoneId = TIMEZONE; board.defaultUserName = ""; board.requiredFileForNewThread = !shortName.equals("halp") && !shortName.equals("7ch"); board.allowNames = !shortName.equals("b"); board.attachmentsFormatFilters = shortName.equals("fl") ? new String[] { "swf" } : null; board.markType = BoardModel.MARK_BBCODE; return board; } @Override public PostModel[] getPostsList(String boardName, String threadNumber, ProgressListener listener, CancellableTask task, PostModel[] oldList) throws Exception { if (loadOnlyNewPosts() && oldList != null && oldList.length > 0) { String url = getUsingUrl() + "ajax.php?act=spy&board=" + boardName + "&thread=" + threadNumber + "&pastid=" + oldList[oldList.length - 1].number; ThreadModel[] page = readWakabaPage(url, listener, task, true, null); if (page != null && page.length > 0) { PostModel[] posts = new PostModel[oldList.length + page[0].posts.length]; for (int i = 0; i < oldList.length; ++i) posts[i] = oldList[i]; for (int i = 0; i < page[0].posts.length; ++i) posts[oldList.length + i] = page[0].posts[i]; return posts; } else { return oldList; } } PostModel[] result = super.getPostsList(boardName, threadNumber, listener, task, oldList); if (result.length >= 1000 && loadOnlyNewPosts()) return getPostsList(boardName, threadNumber, listener, task, result); return result; } @Override public CaptchaModel getNewCaptcha(String boardName, String threadNumber, ProgressListener listener, CancellableTask task) throws Exception { if (threadNumber != null) return null; Recaptcha recaptcha = Recaptcha.obtain(RECAPTCHA_KEY, task, httpClient, useHttps() ? "https" : "http"); CaptchaModel model = new CaptchaModel(); model.type = CaptchaModel.TYPE_NORMAL; model.bitmap = recaptcha.bitmap; lastCaptcha = recaptcha; return model; } @Override protected void setSendPostEntityMain(SendPostModel model, ExtendedMultipartBuilder postEntityBuilder) throws Exception { super.setSendPostEntityMain(model, postEntityBuilder); if (model.threadNumber == null) { if (lastCaptcha == null) throw new Exception("Invalid captcha"); postEntityBuilder.addString("recaptcha_challenge_field", lastCaptcha.challenge) .addString("recaptcha_response_field", model.captchaAnswer); lastCaptcha = null; postEntityBuilder.addString("embed", ""); } } @Override protected void setSendPostEntityAttachments(SendPostModel model, ExtendedMultipartBuilder postEntityBuilder) throws Exception { if (model.attachments != null && model.attachments.length > 0) postEntityBuilder.addFile("imagefile[]", model.attachments[0], model.randomHash); else if (model.threadNumber == null) postEntityBuilder.addString("nofile", "on"); } @Override public UrlPageModel parseUrl(String url) throws IllegalArgumentException { return super.parseUrl(RegexUtils.replaceAll(url, THREAD_REFERENCE_ALT, "$1/res/$2.html#$3")); } @Override public String fixRelativeUrl(String url) { if (url.startsWith("//")) return (useHttps() ? "https:" : "http:") + url; return super.fixRelativeUrl(url); } }